Online dictionaries & reference books
- CobuildDirect Corpus Sampler
A useful tool to help you understand how a word or a phrase is used. You type in a query and you get around 40 examples of the word(s) used in context, from the CobuildDirect database – an English resource composed of 56 million words of contemporary written and spoken text.
- Merriam-Webster Collegiate Dictionary
Shows definitions as well as etymological information. The definitions may not be very easy to understand though.
- Yahoo dictionary page
An index of dictionaries for general and specific purposes.
- The Elements of Style
This is the full-text on-line version of William Strunk’s book, which is widely recognized as a classic reference book of plain English style.
- The American Heritage Book of English Usage
A practical guide to English style, with individual chapters devoted to grammar, style, diction, word formation, gender, scientific forms, etc.